421452361322450 has 24 divisors (see below), whose sum is σ = 784448427358548. Its totient is φ = 168463302529280.

The previous prime is 421452361322437. The next prime is 421452361322483. The reversal of 421452361322450 is 54223163254124.

It can be written as a sum of positive squares in 6 ways, for example, as 189086453258641 + 232365908063809 = 13750871^2 + 15243553^2 .

It is a super-3 number, since 3×421452361322450³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2940977627 + ... + 2941120926.

Almost surely, 2^{421452361322450} is an apocalyptic number.

421452361322450 is a deficient number, since it is larger than the sum of its proper divisors (362996066036098).

421452361322450 is a wasteful number, since it uses less digits than its factorization.

421452361322450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882099998 (or 5882099993 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 421452361322450 in words is "four hundred twenty-one trillion, four hundred fifty-two billion, three hundred sixty-one million, three hundred twenty-two thousand, four hundred fifty".